Wireless communication device and method capable of connectionless broadcast

Abstract

Disclosed is a wireless communication method capable of a connectionless broadcast. The wireless communication method has the steps of generating a synchronization information for synchronizing with more than one receiver, and a broadcast data packet containing a broadcast data, broadcasting the synchronization information and synchronizing a channel with the receiver, and transmitting the broadcast data packet to the synchronized receiver. Accordingly, without a waste of time in the connection setup procedure, the broadcast data is promptly transmitted to the receiver.

Description

[0001] This application claims the priority of Korean Patent Application No. 2002-63829 filed Oct. 18, 2002 and Korean Patent Application No. 2003-20426 filed Apr. 1, 2003 in the Korean Intellectual Property Office, the disclosure of which is incorporated herein by reference.[0002] 1. Field of the Invention[0003] The present invention relates to a wireless communication device and method capable of a connectionless broadcast, and more specifically to a wireless communication device and method capable of a connectionless broadcast in which a broadcast data is transmitted prior to a connection setup procedure in a Bluetooth system.[0004] 2. Description of the Related Art[0005] Bluetooth is a low-priced, low-power and short-range wireless communication technology developed to remove cable connecting devices such as a mobile phone handset, a headset and a portable computer. However, as a standardized wireless communication became feasible among Bluetooth devices, Bluetooth originated a ...

AI Technical Summary

Problems solved by technology

However, it is a waste of a resource to perform the handover every time the PANUs move around, because most PANUs are in an idle state.

However, this solution has a drawback when the broadcast information is divided into several packets for transmission.

There is a problem in efficiently allocating the broadcast message.

The solution of Philips has another drawback in that it takes too much time because each slot packet has to be repeated every sixteen frequency hops.

Accordingly, if there is an error in receiving just one packet, the information contained in a packet is lost and disabled thereby requiring reassembly of the whole broadcast information.

However, according to this solution, the PANU should respond to the received EID packet for the connection setup thereby spending too much time in reaching a state in which a data transmission is feasible.

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